Outdoor Dry-Type Transformer

Patent No. EP2556521 (titled "Outdoor Dry-Type Transformer") was filed by ABB Power Grids Switzerland on Apr 4, 2011. The application was issued on May 30, 2018.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
SIEMENS	Feb 27, 2019	DILG

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Oct 1, 2021
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Oct 1, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 28, 2021
Termination of the opposition proceedings with maintenance of patent
Jun 23, 2021
Advice of delivery
Jun 18, 2021
Advice of delivery
Jun 17, 2021
Annex to the communication - opposition
Jun 17, 2021
Decision of the Opposition Division and instruction
Jun 17, 2021
Decision rejecting the opposition
Jun 17, 2021
Grounds for the decision (Annex) - opposition
Jun 17, 2021
Internal form - Opposition/addressees
Jun 17, 2021
Internal form - Opposition/addressees
Jun 17, 2021
Means of redress
Jun 17, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 17, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 17, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 17, 2021
Provision of a copy of the minutes - opposition procedure
Jun 17, 2021
Transmittal of decision / summons - opposition
Jun 17, 2021
Transmittal of decision / summons - opposition
May 7, 2021
Information about the result of oral proceedings
Mar 11, 2021
Brief communication - Opposition proceedings
Mar 9, 2021
Brief communication to applicant/representative
Mar 9, 2021
Communication of amended entries
Mar 8, 2021
Consolidated list of cited opposition documents
Mar 5, 2021
(Electronic) Receipt
Mar 5, 2021
Citation in opposition procedure - 015
Mar 5, 2021
Citation in opposition procedure - 015
Mar 5, 2021
Citation in opposition procedure - 016
Mar 5, 2021
Citation in opposition procedure - 017
Mar 5, 2021
Citation in opposition procedure - 018
Mar 5, 2021
Citation in opposition procedure - 019
Mar 5, 2021
Citation in opposition procedure - 020
Mar 5, 2021
Citation in opposition procedure - 021
Mar 5, 2021
Letter accompanying subsequently filed items
Mar 5, 2021
Written submission in preparation to/during oral proceedings
Mar 3, 2021
(Electronic) Receipt
Mar 3, 2021
Authorisation
Mar 3, 2021
Letter accompanying subsequently filed items
Mar 3, 2021
Request for change of opponent's representative
Feb 3, 2021
Notification concerning the date of oral proceedings
Feb 3, 2021
Notification concerning the date of oral proceedings
Sep 25, 2020
Advice of delivery
Sep 22, 2020
Advice of delivery
Sep 17, 2020
Acknowledgement of a document
Sep 17, 2020
Acknowledgement of a document
Sep 17, 2020
Annex to the communication - opposition
Sep 17, 2020
Information concerning oral proceedings
Sep 17, 2020
Summons to attend oral proceedings
Sep 17, 2020
Summons to attend oral proceedings
Sep 4, 2020
Advice of delivery
Sep 1, 2020
Notification concerning the date of oral proceedings
Sep 1, 2020
Notification concerning the date of oral proceedings
Aug 25, 2020
(Electronic) Receipt
Aug 25, 2020
Letter accompanying subsequently filed items
Aug 25, 2020
Oral proceedings: reply to date proposed
Aug 20, 2020
(Electronic) Receipt
Aug 20, 2020
Letter accompanying subsequently filed items
Aug 20, 2020
Oral proceedings: reply to date proposed
Aug 17, 2020
Brief communication - Opposition proceedings
Aug 14, 2020
Brief communication - Opposition proceedings
Aug 12, 2020
Notification concerning the date of oral proceedings
Aug 12, 2020
Notification concerning the date of oral proceedings
Aug 10, 2020
(Electronic) Receipt
Aug 10, 2020
Auxiliary request during Opposition procedure
Aug 10, 2020
Auxiliary request during Opposition procedure
Aug 10, 2020
Auxiliary request during Opposition procedure
Aug 10, 2020
Auxiliary request during Opposition procedure
Aug 10, 2020
Auxiliary request during Opposition procedure
Aug 10, 2020
Auxiliary request during Opposition procedure
Aug 10, 2020
Auxiliary request during Opposition procedure
Aug 10, 2020
Letter accompanying subsequently filed items
Aug 10, 2020
Written submission in preparation to/during oral proceedings
Aug 7, 2020
(Electronic) Receipt
Aug 7, 2020
Auxiliary request during Opposition procedure - 01
Aug 7, 2020
Auxiliary request during Opposition procedure - 02
Aug 7, 2020
Auxiliary request during Opposition procedure - 03
Aug 7, 2020
Auxiliary request during Opposition procedure - 04
Aug 7, 2020
Auxiliary request during Opposition procedure - 05
Aug 7, 2020
Auxiliary request during Opposition procedure - 06
Aug 7, 2020
Auxiliary request during Opposition procedure - 07
Aug 7, 2020
Letter accompanying subsequently filed items
Aug 7, 2020
Written submission in preparation to/during oral proceedings
Aug 4, 2020
Brief communication - Opposition proceedings
Aug 4, 2020
Brief communication - Opposition proceedings
Aug 4, 2020
Communication concerning the filing of a power of attorney
Aug 4, 2020
Communication of amended entries concerning the representative
Jul 29, 2020
(Electronic) Receipt
Jul 29, 2020
Letter accompanying subsequently filed items
Jul 29, 2020
Miscellaneous requests concerning client data
Jul 15, 2020
Invitation to file an authorisation
Jul 14, 2020
(Electronic) Receipt
Jul 14, 2020
Letter accompanying subsequently filed items
Jul 14, 2020
Request for interpreters during oral proceedings
Jul 7, 2020
(Electronic) Receipt
Jul 7, 2020
Letter accompanying subsequently filed items
Jul 7, 2020
Submission concerning change of proprietor's representative
Jun 12, 2020
Brief communication - Opposition proceedings
Jun 12, 2020
Communication of the registration of a transfer or change of name and/or address
Jun 4, 2020
(Electronic) Receipt
Jun 4, 2020
Annexes in respect of a client data request
Jun 4, 2020
Annexes in respect of a client data request
Jun 4, 2020
Letter accompanying subsequently filed items
Jun 4, 2020
Submission concerning a transfer of rights (proprietor)
Apr 8, 2020
Brief communication - Opposition proceedings
Apr 8, 2020
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Mar 31, 2020
(Electronic) Receipt
Mar 31, 2020
Annexes in respect of a client data request
Mar 31, 2020
Authorisation
Mar 31, 2020
Letter accompanying subsequently filed items
Mar 31, 2020
Submission concerning a transfer of rights (proprietor)
Feb 11, 2020
Advice of delivery
Feb 7, 2020
Advice of delivery
Feb 6, 2020
Acknowledgement of a document
Feb 6, 2020
Acknowledgement of a document
Feb 6, 2020
Annex to the communication - opposition
Feb 6, 2020
Information concerning oral proceedings
Feb 6, 2020
Summons to attend oral proceedings
Feb 6, 2020
Summons to attend oral proceedings
Aug 27, 2019
Brief communication - Opposition proceedings
Aug 27, 2019
Communication concerning the filing of a power of attorney
Aug 27, 2019
Communication of amended entries concerning the representative
Aug 26, 2019
Brief communication - Opposition proceedings
Aug 20, 2019
(Electronic) Receipt
Aug 20, 2019
Authorisation
Aug 20, 2019
Letter accompanying subsequently filed items
Aug 20, 2019
Reply of the patent proprietor to the notice(s) of opposition
Aug 20, 2019
Submission concerning change of applicant's representative
Apr 11, 2019
Communication of a notice of opposition and request to file observations
Apr 4, 2019
(Electronic) Receipt
Apr 4, 2019
Citation in opposition procedure - 005
Apr 4, 2019
Citation in opposition procedure - 008
Apr 4, 2019
Letter accompanying subsequently filed items
Apr 4, 2019
Reply to the communication concerning admissibility of an opposition
Mar 5, 2019
Brief communication - Opposition proceedings
Mar 5, 2019
Communication indicating deficiencies in the notice of opposition which may be remedied
Mar 5, 2019
Communication of a notice of opposition - first information to patent proprietor
Mar 5, 2019
Request for documents
Feb 28, 2019
Communication indicating deficiencies in the notice of opposition which may be remedied
Feb 27, 2019
(Electronic) Receipt
Feb 27, 2019
Citation in opposition procedure - 001
Feb 27, 2019
Citation in opposition procedure - 002
Feb 27, 2019
Citation in opposition procedure - 003
Feb 27, 2019
Citation in opposition procedure - 004
Feb 27, 2019
Citation in opposition procedure - 005
Feb 27, 2019
Citation in opposition procedure - 006
Feb 27, 2019
Citation in opposition procedure - 007
Feb 27, 2019
Citation in opposition procedure - 008
Feb 27, 2019
Citation in opposition procedure - 009
Feb 27, 2019
Citation in opposition procedure - 010
Feb 27, 2019
Citation in opposition procedure - 011
Feb 27, 2019
Citation in opposition procedure - 012
Feb 27, 2019
Citation in opposition procedure - 013
Feb 27, 2019
Citation in opposition procedure - 014
Feb 27, 2019
Citation in opposition procedure - 014
Feb 27, 2019
Notice of opposition
Feb 27, 2019
Notice of opposition
Jun 11, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 5, 2018
Communication of amended entries concerning the representative
May 30, 2018
Submission concerning change of applicant's representative
May 4, 2018
Decision to grant a European patent
Apr 23, 2018
(Electronic) Receipt
Apr 23, 2018
Filing of the translations of the claims
Apr 23, 2018
French translation of claims
Apr 23, 2018
German translation of the claims
Apr 23, 2018
Letter accompanying subsequently filed items
Apr 20, 2018
Communication of the registration of a transfer or change of name and/or address
Apr 4, 2018
(Electronic) Receipt
Apr 4, 2018
Annexes in respect of a client data request
Apr 4, 2018
Letter accompanying subsequently filed items
Apr 4, 2018
Submission concerning a transfer of rights (applicant)
Jan 3, 2018
Bibliographic data of the European patent application
Jan 3, 2018
Communication about intention to grant a European patent
Jan 3, 2018
Intention to grant (signatures)
Jan 3, 2018
Text intended for grant (clean copy)
Jan 3, 2018
Text intended for grant (version for approval)
Nov 30, 2017
Examination started
Jul 14, 2017
Notification regarding date of start of examination with possibility to withdraw
Oct 26, 2016
CDS Clean up - amended data concerning the representative for the applicant
Oct 26, 2016
Submission concerning representation
May 9, 2013
(Electronic) Receipt
May 9, 2013
Amended claims filed after receipt of (European) search report
May 9, 2013
Amended description filed after receipt of (European) search report
May 9, 2013
Amendments received before examination
May 9, 2013
Letter accompanying subsequently filed items
Jan 16, 2013
Notification on forthcoming publication of bibliographic data
Dec 5, 2012
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Nov 12, 2012
Communication to designated inventor
Nov 12, 2012
Communication to designated inventor
Nov 12, 2012
Communication to designated inventor
Oct 24, 2012
Copy of the international preliminary report on patentability
Oct 12, 2012
Notification of the recording of a change
Oct 12, 2012
Notification of the recording of a change
Oct 3, 2012
(Electronic) Receipt
Oct 3, 2012
Request for entry into the European phase
Aug 20, 2012
Information on entry into European phase
Nov 1, 2011
Priority document (electronically transmitted)
Oct 13, 2011
Copy of the international search report
Oct 13, 2011
Published international application - A1
Aug 23, 2011
Written opinion of the ISA, boxes No. I to VIII
Aug 23, 2011
Written opinion of the ISA, cover sheet
Aug 23, 2011
Written opinion of the ISA, supplemental box
Apr 11, 2011
Abstract
Apr 11, 2011
Claims
Apr 11, 2011
Description
Apr 11, 2011
Drawings

EP2556521

ABB POWER GRIDS SWITZERLAND

Application Number: EP11713651A
Filing Date: Apr 4, 2011
Status: Opposition Rejected; Oct 1, 2021
Publication Date: May 30, 2018
External Links: Slate, Register , Google Patents

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Outdoor Dry-Type Transformer

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Dossier Documents

EP2556521